Minecraft Java 1.21 Mods
Browse 1,679 free mods for Minecraft Java 1.21 — popular picks include Fully Foliage!, Magnetism mod, Cool blocks.
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Fully Foliage!
Adds over 40 new plants to MINECRAFT, along with three woodsets, and more!

Magnetism mod
Adds magnetic mechanics to Minecraft, including item attraction, entity repulsion, and electromagnetic tools and blocks. Fun and useful for automation and exploration.
Cool blocks
adds some cool custom blocks to minecraft
Builder - Ai
🧠 AI Builds Turn imagination into reality. Let AI build structures directly in your Minecraft world using Gemini or Claude.
Disaster SMP
DMSP (Disaster Management System Plugin)Cinematic Natural Disasters for PaperMC 1.21+DMSP is not just a plugin; it's an environmental overhaul designed to challenge even the most seasoned survivalists.
Warped Wart
Adds Warped Wart as a counterpart to Nether Wart (now Crimson Wart).
Simple Structures
Adds simple vanillia-friendly structures!
PLASTIC CRAFT
A unique expansion that introduces versatile plastic materials, custom building blocks, and tools to upgrade your Minecraft survival experience.
Advanced Crafting
This datapack allows players to craft items in Survival mode that are normally only available in Creative mode or cannot normally be obtained. Instead of needing to ask a server owner or administrator to give you these items
Better Adventure Mode
This mod turns your survival mode into the ultimate adventure mode, built for exploration instead of creation.
Deep Winter
Deep Winter is a mod that adds a post-apocalyptic winter theme.
Lumineth [Abandoned]
A Datapack in which you start on a brand new dimension to explore from cero! A whole new world with new mechanics, structures, items and mobs!
TheConstant
A Fabric mod that channels Don’t Starve–style hardcore survival into Minecraft: manage health, hunger, and sanity; survive seasons, temperature, darkness, and food spoilage with crock-pot cooking and recipe planning.
Come Home
A mod that teleports you home.
Project Tiger
This is a light weight w.i.p mod with new buildings and blocks
Santiago
Santiago's mod, with thematic items and a complete in-game python script runner!
One Life [NanoVirus]
You have only one life (Like in hardcore) but also after your death a corpse is spawn (Last thing that they will have after you)
LinkingBook
Teleport between dimensions using a special Linking Book.
DRdung
Plugin for custom dungeons with resources
Cherry Cabins
Adds a trans-themed cabin inhabited by a unique vendor! :3
SeeMoreNext
Per-player server view distance optimization based on client settings. Fork of SeeMore maintained for Paper 1.19-26.2 and Folia.
Ars Dragongate
Locks Ars Nouveau (and its addons) content behind defeating the Ender Dragon.
Eternals
Adds various rpg like items and mechanics in order to turn minecraft into my ideal game so if anyones interested in trying it out feel free to download :)
Whispers of the Pale Garden
a mod that adds various new additions to the pale garden biome. you can report bugs in the discord server.
ISleep
Sleep anywhere, anytime - Control explosions in all dimensions
No Ore/removal of ore
this mod does not reduce ore, it completely removes all ore from the game; from diamonds to nether quartz
SkyBlock But Better!
Vanilla Friendly Challenge!
The Dungeon Experience
Adds content from Minecraft Dungeons in a pretty vanilla way.
Better Navigation
I created this mod that player, no longer to press F3 to navigate preventing to ruining of their exploration experiences.
Cheapapple the Rock!
Adds Bocchi but as a litteral rock... and some skeleton memes
Survival Nerf
Minimalistic vanilla-flavored design and balance overhaul. Mostly reverting bad decisions the devs have made. Intended for use with Etomb's Better Survival modpack.
Temporary Worlds
Create and destroy worlds on the fly
Bunny's Structures
Various vanilla-friendly structures for Minecraft.
Everything Expanded
Expanding upon nearly every aspect of the game with various additions. Made with MCreator
MobTwist
MobTwist is a Minecraft server plugin that allows you to toggle and manage mob replacement on your server. With MobTwist, you can block specific players, configure which mobs are ignored for replacement, and enable or disable mob replacement entirely.
Schematicon
A creative planning dimension for builders. Switch from survival to creative and back with fully separate inventories and no balance disruption.